74587 has 2 divisors, whose sum is σ = 74588. Its totient is φ = 74586.

The previous prime is 74573. The next prime is 74597. The reversal of 74587 is 78547.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74587 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (74507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37293 + 37294.

It is an arithmetic number, because the mean of its divisors is an integer number (37294).

2⁷⁴⁵⁸⁷ is an apocalyptic number.

74587 is a deficient number, since it is larger than the sum of its proper divisors (1).

74587 is an equidigital number, since it uses as much as digits as its factorization.

74587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7840, while the sum is 31.

The square root of 74587 is about 273.1062064472. The cubic root of 74587 is about 42.0940823657.

The spelling of 74587 in words is "seventy-four thousand, five hundred eighty-seven".